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AW: st: RE: regression r(103): too many variables
From
"Martin Weiss" <[email protected]>
To
<[email protected]>
Subject
AW: st: RE: regression r(103): too many variables
Date
Wed, 24 Feb 2010 08:58:30 +0100
<>
Andi may want to use
*************
des, short
*************
to prevent clutter on his screen.
HTH
Martin
-----Ursprüngliche Nachricht-----
Von: [email protected]
[mailto:[email protected]] Im Auftrag von
[email protected]
Gesendet: Mittwoch, 24. Februar 2010 06:13
An: [email protected]
Betreff: Re: st: RE: regression r(103): too many variables
Verify that you actually have 2500 variables, possibly by running
-des- on the variable list.
Steve
--- Paul Higgins
> I am trying to use regress to run a linear regression. The
> specification has a lot of rhs variables (around 2500), the
> majority of which are binary (0/1) variables. <snip> I am
> getting r(103), "Too many variables specified".
On Tue, Feb 23, 2010 at 1:08 PM, Martin Weiss <[email protected]> wrote:
>
> <>
>
>
> This runs w/o a hitch in Stata 10.1 MP. Takes something like 2 minutes:
>
> *******
> clear*
> set mem 500m
> set obs 13700
>
> foreach var of newlist var1-var2500{
> gen byte `var'=runiform()<.3
> }
>
> gen y=rnormal()
> reg y var1-var2500
> *******
>
>
> HTH
> Martin
>
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Paul Higgins
> Sent: Dienstag, 23. Februar 2010 21:28
> To: '[email protected]'
> Subject: st: regression r(103): too many variables
>
> Hi all,
>
> I am trying to use regress to run a linear regression. The specification
> has a lot of rhs variables (around 2500), the majority of which are binary
> (0/1) variables. The data set contains about 13700 observations. At the
> top of the .do file I set mem to 5 gigabytes, maxvar to 10000 and matsize
to
> 10000. I'm using Stata / SE 10.1 for Windows, under Windows XP
Professional
> x64 edition version 5.2, on a machine that has 8 gigabytes of physical
> memory on-board. I am getting r(103), "Too many variables specified".
I've
> poked around the documentation, and I can see no mention of any internal
> limits to the regress command regarding number of variables. Thus, I have
> assumed that only the general limits for Stata SE apply: maximum of 32767
> variables, maximum matsize of 11000. But I appear to be wrong.
>
> Suggestions, please?
>
> PaulH
>
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>
--
Steven Samuels
[email protected]
18 Cantine's Island
Saugerties NY 12477
USA
845-246-0774
*
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*
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